Common use of Fleet Introductory Assistance Credits Clause in Contracts

Fleet Introductory Assistance Credits. 1.1 In consideration of Spirit’s agreement to purchase Aircraft No. 20 through Aircraft No. 40 inclusive, in accordance with the Contract, and to assist Spirit with the introduction of the Aircraft into its fleet, IAE shall issue credit notes to Spirit’s account with IAE in the following amounts (each a “Standard FIA Credit”): A319 (V2524-A5) ***** Each A319 Aircraft A320 (V2527-A5) ***** Each A320 Aircraft A321 (V2533-A5) ***** Each A321 Aircraft *****Confidential portions of the material have been omitted and filed separately with the Securities and Exchange Commission. Page 49 of 49 For clarity, the financial assistance provided by IAE for Aircraft No. 1 through Aircraft No. 19 inclusive was issued in accordance with the 2006 Proposal.

Fleet Introductory Assistance Credits. 1.1 In consideration of Spirit’s agreement to purchase Aircraft No. 20 through Aircraft No. 40 inclusive, in accordance with the Contract, and to assist Spirit with the introduction of the Aircraft into its fleet, IAE shall issue credit notes to Spirit’s account with IAE in the following amounts (each a “Standard FIA Credit”): Aircraft Type Credit (Jan-06 US$) Issued at Delivery & Acceptance of: A319 (V2524-A5) ***** Each A319 Aircraft A320 (V2527-A5) ***** Each A320 Aircraft A321 (V2533-A5) ***** Each A321 Aircraft *****Confidential portions of the material have been omitted and filed separately with the Securities and Exchange Commission. Page 49 of 49 Exhibit 10.1 For clarity, the financial assistance provided by IAE for Aircraft No. 1 through Aircraft No. 19 inclusive was issued in accordance with the 2006 Proposal.

Fleet Introductory Assistance Credits. 1.1 In consideration of Spirit’s 's agreement to purchase Aircraft No. 20 through Aircraft No. 40 inclusive, in accordance with the Contract, and to assist Spirit with the introduction of the Aircraft into its fleet, IAE shall issue credit notes to Spirit’s 's account with IAE in the following amounts (each a “"Standard FIA Credit”"): A319 (V2524-A5) [***** ] Each A319 Aircraft A320 (V2527-A5) [***** ] Each A320 Aircraft A321 (V2533-A5) [***** ] Each A321 Aircraft *****Confidential portions of the material have been omitted and filed separately with the Securities and Exchange Commission. Page 49 of 49 For clarity, the financial assistance provided by IAE for Aircraft No. 1 through Aircraft No. 19 inclusive was issued in accordance with the 2006 Proposal. 1.2 [***] 1.3 [***] 1.4 [***]

Fleet Introductory Assistance Credits. 1.1 In consideration of Spirit’s agreement to purchase Aircraft No. 20 through Aircraft No. 40 inclusive, in accordance with the Contract, and to assist Spirit with the introduction of the Aircraft into its fleet, IAE shall issue credit notes to Spirit’s account with IAE in the following amounts (each a “Standard FIA Credit”): A319 (V2524-A5) ***** Each A319 Aircraft A320 (V2527-A5) ***** Each A320 Aircraft A321 (V2533-A5) ***** Each A321 Aircraft *****Confidential portions of the material have been omitted and filed separately with the Securities and Exchange Commission. Page 49 of 49 For clarity, the financial assistance provided by IAE for Aircraft No. 1 through Aircraft No. 19 inclusive was issued in accordance with the 2006 Proposal.